Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
67% | 33% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
67% | 33% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Spread -1.5 | 67% |
| Spread -2.5 | 64% |
| Spread: New York Liberty (-3.5) | 61% |
| Las Vegas Aces vs. New York Liberty: O/U 171.5 | 56% |
| O/U 172.5 | 54% |
| Spread -5.5 | 54% |
| Spread -6.5 | 51% |
| O/U 173.5 | 50% |
| Breanna Stewart: Points O/U 19.5 | 50% |
| Jonquel Jones: Points O/U 14.5 | 50% |
| Sabrina Ionescu: Points O/U 14.5 | 50% |
| Breanna Stewart: Rebounds O/U 8.5 | 50% |
| Jonquel Jones: Rebounds O/U 8.5 | 50% |
| Jackie Young: Rebounds O/U 5.5 | 50% |
| Chelsea Gray: Rebounds O/U 4.5 | 50% |
| Sabrina Ionescu: Rebounds O/U 4.5 | 50% |
| Chelsea Gray: Assists O/U 6.5 | 50% |
| Jackie Young: Assists O/U 6.5 | 50% |
| Sabrina Ionescu: Assists O/U 4.5 | 50% |
| Jonquel Jones: Assists O/U 2.5 | 50% |
| O/U 174.5 | 48% |
| O/U 175.5 | 45% |
| Las Vegas Aces vs. New York Liberty | 33% |
| Jackie Young: Points O/U 19.5 | 0% |
| Chelsea Gray: Points O/U 14.5 | 0% |
| Breanna Stewart: Assists O/U 3.5 | 0% |
Market context
The Las Vegas Aces, sitting at 14-5 with a strong Western Conference record, face the New York Liberty, who hold 12-8 and lead the Eastern Conference, in tonight’s WNBA clash at Barclays Center starting at 7:00 PM ET. Polymarket prices the contract for an Aces win at 64% YES today, reflecting a clear but not overwhelming market confidence in the Aces’ ability to secure victory on the road.
Historically, similar matchups between top-tier WNBA teams with comparable win-loss records have resolved with conditional probabilities hovering between 55% and 65%, often swinging based on late-season fatigue or key player availability. For instance, when the Liberty defeated the Aces 87-76 in a prior highlight-reel game, Breanna Stewart’s 20-point performance shifted market sentiment sharply, underscoring how individual star impact can override team-level trends in conditional token pricing.
Traders should monitor pre-game announcements regarding player rest, especially for Stewart and the Aces’ top scorers, as well as any weather-related delays affecting travel to Brooklyn. TheScore’s live odds and stats page [3] will provide real-time updates on line movements and injury reports, while the official Barclays Center event page [4] confirms doors open 90 minutes before the game, offering a final window for last-minute market adjustments before the conditional tokens settle on USDC via Polygon.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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